#pragma once
#include <iostream>
#include <string>

std::string opers="+-*/%";
using namespace std;
enum//枚举下面自增加一
{
    DivZero=1,
    ModZero,
    Unknown
};
class Task
{
public:
    Task(int x,int y,char oper)
    :data1_(x),data2_(y),oper_(oper),result_(0),exitcode_(0)
    {

    }
    void run()
    {
        switch(oper_)
        {
            case '+':
            result_ = data1_ + data2_;
            break;
        case '-':
            result_ = data1_ - data2_;
            break;
        case '*':
            result_ = data1_ * data2_;
            break;
        case '/':
            {
                if(data2_ == 0) exitcode_ = DivZero;
                else result_ = data1_ / data2_;
            }
            break;
        case '%':
            {
                if(data2_ == 0) exitcode_ = ModZero;
                else result_ = data1_ % data2_;
            }            
            break;
        default:
            exitcode_ = Unknown;
            break;
        }
    }
    string GetResult()
    {
        string r=to_string(data1_);
        r+=oper_;
        r+=to_string(data2_);
        r+="=";
        r+=to_string(result_);
        r += "[code: ";
        r += std::to_string(exitcode_);
        r += "]";
        return r;
    }
    void operator()()
    {
        run();
    }
     std::string GetTask()
    {
        std::string r = std::to_string(data1_);
        r += oper_;
        r += std::to_string(data2_);
        r += "=?";
        return r;
    }
    ~Task()
    {

    }
private:
    int data1_;
    int data2_;
    char oper_;

    int result_;
    int exitcode_;
};
